<?php

namespace App\Entities\Projects;

use App\Entities\Users\User;
use DB;
use Illuminate\Database\Eloquent\Model;
use Laracasts\Presenter\PresentableTrait;
use Spatie\MediaLibrary\HasMedia\HasMedia;
use Spatie\MediaLibrary\HasMedia\HasMediaTrait;

/**
 * Job Model.
 *
 * @author Nafies Luthfi <nafiesl@gmail.com>
 */
class Job extends Model implements HasMedia
{
	use PresentableTrait;
	use HasMediaTrait;

	/**
	 * @var \App\Entities\Projects\JobPresenter
	 */
	protected $presenter = JobPresenter::class;

	/**
	 * @var array
	 */
	protected $guarded = ['id', 'created_at', 'updated_at'];

	/**
	 * Show job name with link to job detail.
	 *
	 * @return Illuminate\Support\HtmlString
	 */
	public function nameLink()
	{
		return link_to_route('jobs.show', $this->name, [$this->id], [
			'title' => __(
				'app.show_detail_title',
				['name' => $this->name, 'type' => __('job.job')]
			),
		]);
	}

	/**
	 * Job belongs to a Project relation.
	 *
	 * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
	 */
	public function project()
	{
		return $this->belongsTo(Project::class, 'project_id');
	}

	/**
	 * Job belongs to a Worker relation.
	 *
	 * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
	 */
	public function worker()
	{
		return $this->belongsTo(User::class, 'worker_id');
	}

	/**
	 * Job has many Tasks relation ordered by position.
	 *
	 * @return \Illuminate\Database\Eloquent\Relations\HasMany
	 */
	public function tasks()
	{
		return $this->hasMany(Task::class)->orderBy('position');
	}

	/**
	 * Job has many comments relation.
	 *
	 * @return \Illuminate\Database\Eloquent\Relations\MorphMany
	 */
	public function comments()
	{
		return $this->morphMany(Comment::class, 'commentable');
	}

	/**
	 * Get the job type.
	 *
	 * @return string
	 */
	public function type()
	{
		return $this->type_id == 1 ? __('job.main') : __('job.additional');
	}

	/**
	 * Add progress attribute on Job model.
	 *
	 * @return int
	 */
	public function getProgressAttribute()
	{
		return $this->tasks->isEmpty() ? 0 : $this->tasks->avg('progress');
	}

	/**
	 * Add receiveable_earning attribute on Job model.
	 *
	 * @return float
	 */
	public function getReceiveableEarningAttribute()
	{
		return $this->price * ($this->progress / 100);
	}

	/**
	 * Delete the model from the database.
	 *
	 * @return bool|null
	 */
	public function delete()
	{
		DB::beginTransaction();
		$this->tasks()->delete();
		$this->comments()->delete();
		DB::commit();

		return parent::delete();
	}
}